# Copyright (C) 2006-2017 by the Free Software Foundation, Inc.
#
# This file is part of GNU Mailman.
#
# GNU Mailman is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# GNU Mailman is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# GNU Mailman.  If not, see <http://www.gnu.org/licenses/>.

"""Various constants and enumerations."""

from mailman.config import config
from mailman.interfaces.languages import ILanguageManager
from mailman.interfaces.member import DeliveryMode, DeliveryStatus
from mailman.interfaces.preferences import IPreferences
from public import public
from zope.component import getUtility
from zope.interface import implementer


@implementer(IPreferences)
class SystemDefaultPreferences:
    """The default system preferences."""

    acknowledge_posts = False
    hide_address = True
    receive_list_copy = True
    receive_own_postings = True
    delivery_mode = DeliveryMode.regular
    delivery_status = DeliveryStatus.enabled

    @property
    def preferred_language(self):
        """Return the system preferred language."""
        return getUtility(ILanguageManager)[config.mailman.default_language]


public(system_preferences=SystemDefaultPreferences())